Calculating the density of the estimated Dvine at the point(s) val.
cal.Dvine(obj,val)object of class 'penDvine', result of 'Dvine'.
Values in which the current Dvine should be evaluated.
The returing values are the density of the current Dvine at the point(s) 'val'.
The current Dvine is evaluated in val and the corresponding density values are returned.
Estimating Non-Simplified Vine Copulas Using Penalized Splines, Schellhase, C. and Spanhel, F. (2017), Statistics and Computing.